a bissel seichel is unaware that this Minhag goes back to the times of the Gemoro.
The Gemoro Sanhedrin 64b ( כמשוורתא דפוריא (רש”י
See also Darkei Moishe O.Ch. 690 quotes from the Aruch the details of burning an effigy
of Haman on Purim.
The Hadlaka in Meron on Lag Baomer is not mentioned in the Gemoro.

This is in E’Y and I’m sure gedolei yisrael take all that and much more into consideration with everything they do. Theirs is a life of cheshbon. And as long as it doesn’t appear to be an effigy of a particular group seems like a good minhag to me